Il 03/03/2011 18:05, Phil Stracchino ha scritto:
> On 03/03/11 09:52, Fabio Napoleoni - ZENIT wrote:
>>
>> Il giorno 03/mar/2011, alle ore 04.52, Fabio Napoleoni - ZENIT ha scritto:
>>
>>> I have my director using an external raid device which exports its 
>>> filesystem with nfs protocol as storage. I just ended my bacula 
>>> configuration and just launched my first remote job. I have this in the 
>>> report
>>>
>>> JobId 3: Job write elapsed time = 00:14:23, Transfer rate = 1.182 M 
>>> Bytes/second
>>>
>>> which seems a little poor to me (our network is currently on a 100M switch, 
>>> we're planning to upgrade with something better in the near future). 
>>> Currently data flows from bacula-fd on client to bacula-sd on bacula server 
>>> and then the storage daemon writes data on a volume mounted in an nfs 
>>> partition, so data goes on the wire at the same time.
>>>
>>> Is advisable to enable data spooling in the storage daemon in this 
>>> situation?
>>
>> I made a try with this results
>>
>> JobId 7: Spooling data ...
>> JobId 7: Job write elapsed time = 00:13:07, Transfer rate = 1.295 M 
>> Bytes/second
>> JobId 7: Committing spooled data to Volume "FullVolume-0004". Despooling 
>> 1,021,072,888 bytes ...
>> JobId 7: Despooling elapsed time = 00:02:19, Transfer rate = 7.345 M 
>> Bytes/second
>> JobId 7: Sending spooled attrs to the Director. Despooling 6,816,214 bytes 
>> ...
>>
>> There is only a little improvement of performances.
>>
>> So I'm asking you what is the transfer rate in your jobs? These rates are 
>> normal or are they slow compared to yours?
>
> Is there any way you can run your SD directly on the storage device,
> instead of the SD writing to storage mounted over NFS?
>
>

Also, what about using a dedicated NIC to link SD with NFS storage ? 
That would avoid sharing bandwidth between nfs-traffic and client to 
storage daemon traffic.

Just my 2 cents.

-- 
Marcello Romani

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